全封闭组织脱水机维修故障分析（型号VIP-5-Jr-J2）

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                    <section><section powered-by="gulangu"><section><p><img src="image/20201019/8dd6ddfbe3e2538dc37385e48292084e_1.gif" /></p></section></section><section powered-by="gulangu"><section> <section><section powered-by="gulangu"><p>故障现象</p></section></section> </section></section><section powered-by="gulangu"><p>&nbsp; &nbsp; &nbsp; &nbsp; 开机输入10000按entel键进入程序自动运行，到了正压这个环节，压力始终为0上不去，随后机器报错代码20。</p></section><section powered-by="gulangu"><section><p><img src="image/20201019/82a730a353692bf6320afe4b3395c994_2.jpg" /></p></section></section><section powered-by="gulangu"><section> <section><section powered-by="gulangu"><p>故障分析及处理</p></section></section> </section></section><section powered-by="gulangu"><p>1、此设备正压来源是由泵供给，经电磁阀控制，再到腊缸整个过程需要保持密闭。</p></section><section powered-by="gulangu"><p>2、首先将设备重新开机，输入3141按entel键进入维修模式界面，按↓键直到最后一项utility，进入在线做电磁阀测试，正负压测试。①电磁阀测试：三个控制正负压的电磁阀测试正常，均能听见吸合的声音。为防止电磁阀阀芯有污垢导致吸合时不够紧密，引发泄露，破坏密闭性。对每个电磁阀做清洗后，试机故障依旧，故排除电磁阀。②正负压测试：负压的时候正常能达到-26。正压的时候只能停留在8上不去，持续1分钟左右测试报警。因为正负压均由同一个泵提供，所以排除泵的问题。</p></section><section powered-by="gulangu"><section><p><img src="image/20201019/20cf8aaf5d33bb37cb6b463134ad023e_3.jpg" /></p></section></section><section powered-by="gulangu"><p>3、前面排除电磁阀，排除泵，根据故障分析现在将问题锁定在“密封性”。管路密封性：排查电磁阀，泵，腊缸直接的管路连接均正常未发现漏气。最后跟密封性有关的剩下腊缸密封圈，将密封圈拆下清洗后，装回去试机故障依旧，尝试用手压紧盖子，再做正压测试，压力能达到26，测试正常。最后调整盖子上面的锁和卡扣的位置，使其跟密封圈压的更加紧密。试机测试故障消除。</p></section><section powered-by="gulangu"><section><p><img src="image/20201019/0db24b01ba668ae23af08b4c7981b8d4_4.jpg" /></p></section></section><section powered-by="gulangu"><section><p><img src="image/20201019/99a8d0b005c7198d59bf3068763ec6be_5.jpg" /></p></section></section><section powered-by="gulangu"><section> <section><section powered-by="gulangu"><p>结论</p></section></section> </section></section><section powered-by="gulangu"><p>&nbsp; &nbsp; &nbsp; &nbsp; 由于密封圈的卡扣松动，导致试剂缸不密闭，正压为零。</p></section><section powered-by="gulangu"><p><br  /></p></section><section powered-by="gulangu"><section><section powered-by="gulangu"><section><p>欢</p></section></section></section><section><section powered-by="gulangu"><section><p>迎</p></section></section></section><section><section powered-by="gulangu"><section><p>关</p></section></section></section><section><section powered-by="gulangu"><section><p>注</p></section></section></section></section><section powered-by="gulangu"><p><br  /></p></section><section powered-by="gulangu"><section><section powered-by="gulangu"><section><p><img src="image/20201019/e157a4fe5f54cfe25f273aca601c853c_6.jpg" /></p></section></section></section><section><section powered-by="gulangu"><section><section> </section></section></section></section><section><section powered-by="gulangu"><section><p>关注我们</p><p>一起涨姿势！</p></section></section></section></section></section>